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DNS Root Servers
Server Operator Locations IP Addresses
AS
Number A VeriSign, Inc. Sites: 6 Global: 6 Local: 0 Los Angeles, CA, US ; **New York, NY, US *** ; **Frankfurt, DE *** ; Hong Kong, HK ; **Palo Alto, CA, US *** ; **Ashburn, VA, US *** IPv4: 198.41.0. IPv6: 2001:503:BA3E::2:
B
Information Sciences Institute Sites: 1 Global: 0 Local: 1 Earth IPv4: 192.228.79. IPv6: 2001:478:65:: none C Cogent Communications Sites: 6 Global: 6 Local: 0 Herndon, VA, US ; Los Angeles, CA, US ; New York, NY, US ; Chicago, IL, US ; Frankfurt, DE ; Madrid, ES IPv4: 192.33.4.12 2149 D University of Maryland Sites: 1 Global: 1 Local: 0 College Park, MD, US IPv4: 128.8.10.90 27 E NASA Ames Research Center Sites: 1 Global: 1 Local: 0 Mountain View, CA, US IPv4: 192.203.230.10 297 F Internet Systems Consortium, Inc. Sites: 49 Global: 2 Local: 47 Ottawa, Canada *; **Palo Alto, CA, US *** ; San Jose, CA, US; New York, NY, US *; **San Francisco, CA, US *** ; Madrid, ES; Hong Kong, HK; Los Angeles, CA, US *; Rome, Italy; Auckland, NZ *; Sao Paulo, BR; Beijing, CN; Seoul, KR *; Moscow, RU *; Taipei, TW; Dubai, AE; Paris, FR *; Singapore, SG; Brisbane, AU *; Toronto, CA *; Monterrey, MX; Lisbon, PT *; Johannesburg, ZA; Tel Aviv, IL; Jakarta, ID; Munich, DE *; Osaka, JP *; Prague, CZ *; Amsterdam, NL *; Barcelona, ES *; Nairobi, KE; Chennai, IN; London, UK *; Santiago de Chile, CL; Dhaka, BD; Karachi, PK; Torino, IT; Chicago, IL, US *; Buenos Aires, AR; Caracas, VE; Oslo, NO *; Panama, PA; Quito, EC; Kuala Lumpur, Malaysia *; Suva, Fiji; Cairo, Egypt; Atlanta, GA, US; Podgorica, ME; St. Maarten, AN * IPv4: 192.5.5. IPv6: 2001:500:2f::f
G
U.S. DOD
Network Information Center Sites: 6 Global: 6 Local: 0 Columbus, OH, US ; San Antonio, TX, US ; Honolulu, HI, US ; Fussa, JP ; Stuttgart‐Vaihingen, DE ; Naples, IT IPv4: 192.112.36.4 5927 H U.S. Army Research Lab Sites: 1 Global: 1 Local: 0 IPv4: 128.63.2. IPv6: 2001:500:1::803f:
**Aberdeen Proving Ground, MD, US *** I Autonomica Sites: 36 Stockholm, SE *; Helsinki, FI; Milan, IT; London, UK; Geneva, CH; Amsterdam, NL; Oslo, NO; Bangkok, TH; Hong Kong, HK; Brussels, BE; Frankfurt, DE; Ankara, TR; Bucharest, RO; Chicago, IL, US; Washington, DC, US; Tokyo, JP; Kuala Lumpur, MY; Palo Alto, CA, US; Jakarta, ID; Wellington, NZ; Johannesburg, ZA; Perth, AU; San Francisco, CA, US; Singapore, SG; Miami, FL, US; Ashburn, VA, US; Mumbai, IN; Beijing, CN; Manila, PH; Doha, QA; Colombo, LK; Vienna, AT; Paris, FR; Taipei, TW; Porto Alegre, BR; Yerevan, AM IPv4: 192.36.148. IPv6: 2001:7fe::
J VeriSign, Inc. Sites: 70 Global: 63 Local: 5 Dulles, VA, US (2 sites) ; Dulles, VA, US (1 sites); **Ashburn, VA, US *** ; Miami, FL, US ; Atlanta, GA, US ; Seattle, WA, US; Chicago, IL, US; **New York, NY, US *** ; Honolulu, HI, US ; Mountain View, CA, US (1 sites) ; Mountain View, CA, US (1 sites); **San Francisco, CA, US (2 sites) *** ; Dallas, TX, US ; Amsterdam, NL ; London, UK ; Stockholm, SE ( sites) ; Tokyo, JP ; Seoul, KR ; Beijing, CN; Singapore, SG ; Dublin, IE ; Kaunas, LT ; Nairobi, KE; Montreal, CA ; Perth, AU ; Sydney, AU ; Cairo, EG ; Cairo, EG; Warsaw, PL (2 sites) ; Brasilia, BR ; Sao Paulo, BR ; Sofia, BG ; Prague, CZ ; Johannesburg, ZA ; Toronto, CA ; Buenos Aires, AR ; Madrid, ES ; Fribourg, CH ; Hong Kong, HK (2 sites) ; Turin, IT ; Mumbai, IN ; Oslo, NO ; Brussels, BE ; Paris, FR (2 sites) ; Helsinki, FI ; **Frankfurt, DE *** ; Riga, LV ; Milan, IT ; Rome, IT ; Lisbon, PT ; San Juan, PR ; Edinburgh, UK ; Tallin, EE ; Taipei, TW ; **New York, NY, US *** ; **Palo Alto, CA, US *** ; Anchorage, US ; Moscow, RU ; Manila, PH ; Kuala Lumpur, MY ; Luxembourg City, LU ; Guam, GU, US ; Vancouver, CA ; Wellington, NZ IPv4: 192.58.128. IPv6: 2001:503:C27::2:
K RIPE NCC
Sites: 18 Global: 5 Local: 13 **London, UK *** ; **Amsterdam, NL *** ; **Frankfurt, DE *** ; Athens, GR *; Doha, QA; Milan, IT *; Reykjavik, IS *; Helsinki, FI *; Geneva, CH *; Poznan, PL *; Budapest, HU *; Abu Dhabi, AE; **Tokyo, JP *** ; Brisbane, AU *; **Miami, FL, US *** ; Delhi, IN; Novosibirsk, RU; Dar es Salaam, TZ IPv4: 193.0.14. IPv6: 2001:7fd::
L ICANN
Sites: 40 Global: 37 Local: 3 IPv4: 199.7.83. IPv6: 2001:500:3::
